Net Income (Loss) Per Share (Reconciliation Of The Numerator And Denominator Of Basic And Diluted Net Loss Per Share) (Details) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Numerator:
(Loss) income from continuing operations	$ 157,581	$ (12,612)
Loss from discontinued operations, net of tax	(27,651)	(5,961)
NET INCOME (LOSS)	$ 129,930	$ (18,573)
Denominator:
For basic per share data—weighted average shares (in shares)	227,198	224,594
Dilutive effect of ordinary share equivalents (in shares)	5,816	0
For diluted per share data—weighted average shares (in shares)	233,014	224,594
Stock Options
Denominator:
Antidilutive securities excluded from computation of earnings per share (in shares)	7,200
Stock Award
Denominator:
Antidilutive securities excluded from computation of earnings per share (in shares)	3,300